<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label width=" 80px" class="login-box">
      <h3 class="login-title">欢迎登录</h3>
      <el-form-item label="账号" prop="username">
        <el-input type="text" placeholder=" 请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input type="password" placeholder=" 请输入密码" v-model=" form.password"/>
      </el-form-item>
      <el-form-item prop="code">
        <div style="display: flex">
          <el-input placeholder="请输入验证码" prefix-icon="el-icon-circle-check" size="medium" style="flex: 1" v-model="form.code"></el-input>
          <div style="flex: 1; height: 36px">

            <valid-code @update:value="getCode" />
          </div>
        </div>
      </el-form-item>


      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit()">登录</el-button>
        <el-button type="primary" v-on:click="$router.push('/homeview')">注册</el-button>

      </el-form-item>
    </el-form>
    <el-dialog
        title="温馨提示"
        :visible.sync="dialogVisible"
        width="30%"
        :before-close="handleClose">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
<el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
import axios from "axios";
import ValidCode from '../views/ValidCode.vue';
import userApi from "@/api/user"
export default {
  name: "Login",
  components: {
    ValidCode
  },

  data() {
    const validateCode = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请输入验证码'))
      } else if (value.toLowerCase() !== this.code) {

        callback(new Error('验证码错误'))
      } else {
        this.view= true;
        callback()
      }
    }


    return {
      code: '',  // 验证码组件传递过来的code
      view: false,
      userpassword:'',
      page:1,
      pagesize:5,
      userSearch:{
        username:'',
        nickName:'',
        userLevel:''
      },
      form: {
        code: '',
        username: '',
        password: ''
      },
// 表单验证， 需要在el-form-item- 元素中增加prop属性
      rules: {
        username: [{required: true, message: '账号不可为空', trigger: 'blur'}],
        password: [{required: true, message: '密码不可为空', trigger: 'blur'}],
        code: [
          { validator: validateCode, trigger: 'blur' }
        ],

      },
//对话框显示和隐藏
      dialogVisible: false
    }
  },
  methods: {
    handleClose: function () {
      console.log("Handle Close，空函数");
    },
    async onSubmit() {

      if(this.view== true) {
        this.userSearch.username=this.form.username;
        const {data:res} = await userApi.search(1,5,this.userSearch)
        console.log(res)
        if (res.code === 200) {

          this.userpassword = res.data.pr.rows[0].password


        }



              if (this.form.password === this.userpassword) {
                this.$router.push('/homeview');
              } else {
                this.$message.error("账号或密码错误")
              }

        this.view= false;
      }
      else{
        this.$message.error("验证码错误")
      }
    },

    getCode(code) {
      this.code = code.toLowerCase()
    },

  }
}
</script>
<style scoped>
.login-box {
  border: 1px solid #DCDFE6;
  width: 350px;
  margin: 50px auto;
  padding: 35px 35px 15px 35px;
  border-radius: 5px;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  box-shadow: 0 0 25px #909399;
}

.login-title {
  text-align: center;
  margin: 0 auto 40px auto;
  color: #303133;
}
</style>
